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3 years ago

The product of 3 and n is 12

Mathematics

2 answers:

grin007 [14]3 years ago

4 0

Answer:

I believe that n = 4. product means multiplication, and 12 is the answer of 3 times n.

Step-by-step explanation:

azamat3 years ago

4 0

Answer:

Step-by-step explanation:

3 x 4 = 12

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The probability that a newborn baby at the hospital is female is 50%. What is the probability that at least 2 babies of 3 childr

Readme [11.4K]

Answer:

0.25 is the probability

Step-by-step explanation:

In this question, we are tasked with calculating the probability that in a hospital on a certain day, at least 2 out of three babies born that day are female.

To calculate the probability , let’s list out some needed facts;

Let the probability of having a baby girl be g = 50% = 50/100 = 1/2 = 0.5

The probability of having a boy b will be 1-g = 1-0.5 = 0.5

Now, we have 3 babies and we want to find the probability of at lest two being girl.

Mathematically that would be ; ggb or ggg

since we are having at lest 2 girls

For the ggb, we have ; 0.5 * 0.5 * 0.5 = 0.125

For the ggg we have 0.5 * 0.5 * 0.5 = 0.125

In probability, once we have or, we add.

Thus 0.125 + 0.125 = 0.25

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3 years ago

Write an if-then statement based on the Venn diagram.

maw [93]

*I think the answer is <span>A.If something is a sparrow, then it must be a bird.</span>

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4 years ago

Mrs. Nally's swimming pool is 10 feet by 6 feet. She paves the area around it with a sidewalk x feet wide, using 80 square feet

andrew11 [14]

Answer:

The sidewalk is 2 feet wide

Step-by-step explanation:

The area of the sidewalk is given as 80 square feet

The length and width of pool

including side walks will be;

10 + 2x and 6 + 2x

To get the area of the side walk

That will be area of total minus area of the pool

That will be ;

(10 + 2x)(6 + 2x) - 10(6) = 80

60 + 12x + 20x + 4x^2 - 60 = 80

4x^2 + 32x -80 = 0

x^2 + 8x -20

x^2 + 10x - 2x - 20 = 0

x(x + 10) -2(x + 10) = 0

(x-2)(x + 10) = 0

x = 2 or -10

since width cannot be negative;

The sidewalk is 2 feet wide

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3 years ago

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Crank

The graph of the system is

where y= -4x-2 is in red, and y= -4x-5 is in blue.

Given that the lines are parallel, then there is no solution to the system of equations.

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1 year ago

Express 152 as a product of prime factors in index form

Anna35 [415]

Google it. Sorry I don't know

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3 years ago

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